CVE-2021-29982
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CVE-2021-29982
Published: 17 Aug 2021Last Modified: 10 Mar 2026
Summary:
Details: Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory. This vulnerability affects Firefox < 91 and Thunderbird < 91.
References: , https://security.gentoo.org/glsa/202202-03, https://www.mozilla.org/security/advisories/mfsa2021-33/, https://www.mozilla.org/security/advisories/mfsa2021-36/, https://bugzilla.mozilla.org/show_bug.cgi?id=1715318
Affected packages
Package
Name:
Purl:
Affected ranges
Type: N/A
Events:
Introduced- None
Fixed -None
Affected versions
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
